
package com.cptravel.tool;

public class CommUtil
{
    public static int getDaysInMonth(int month , int year)
    {
        switch (month)
        {
            default:
                throw new IllegalArgumentException("Invalid Month");
            case 0:
            case 2:
            case 4:
            case 6:
            case 7:
            case 9:
            case 11:
                return 31;
            case 3:
            case 5:
            case 8:
            case 10:
                return 30;
            case 1:
                if (year % 4 == 0)
                    return 29;
                return 28;
        }
    }
}
